There is provided an image recording apparatus having a housing having a front wall and a rear wall, and a right wall and a left wall defining an internal space of the housing, a sheet roll holder configured to hold a sheet roll, a supporting member configured to support the sheet roll, the supporting member extending in an axial direction of the sheet roll and being supported by the sheet roll holder, a sheet conveyer arranged in an internal space of the housing, the sheet conveyer being configured to convey a sheet unwound from the sheet roll, and a recording device configured to record an image on the sheet unwound from the sheet roll and conveyed by the sheet conveyer. The sheet roll holder is configured to be slidable with respect to the housing so as to be detachable from and attachable to the housing.

A thermal printer includes a conveyance unit, a thermal head with heating elements arranged in a line crossing a conveyance direction of a thermal paper, and a controller that generates print dot data for dots to be printed by the thermal head and controls the conveyance unit and thermal head according to the print dot data. The controller determines whether the total number of dots to be printed in a predetermined number of consecutive lines of the print dot data is greater than a threshold number and, when the total number of dots is greater than the threshold number, control the conveyance unit to convey the thermal paper after the printing of the print dot data by a predetermined amount along the conveyance direction.

Disclosed herein is a paper roll support device for a printing apparatus. The paper roll support device includes: first and second paper guides arranged to be opposite to each other, and configured to support a paper roll; a support panel configured to fix the first and second paper guides; first and second transfer rods installed such that first ends thereof are fixed to the first and second paper guides, and configured to be movable in conjunction with each other; a pulley provided to be rotatable coaxially with the pinion gear; a belt installed such that one end thereof is fixed to one side of the outer circumference of the pulley and the other end thereof is fixed to one end of one of the first and second transfer rods, and configured to rotate the pulley; and an elastic member configured to reversely rotate the pulley to its original position.

Systems for providing on-demand food service material printing for food service are provided herein. A food service material dispenser comprises a roll holder configured to hold a roll of food service material, one or more rollers, and a motor configured to operate to translate the food service material along a path within the dispenser. The dispenser includes a cutting arrangement configured to perform a cut of the food service material to form the sheet of food service material that defines a size associated with a food service order. The dispenser also includes a printer configured to print at least one of order information or personalization information on the food service material that is based on the associated food service order. The dispenser further includes a chute configured to dispense the sheet of food service material, which includes the at least one of order information or personalization information printed thereon.

A printing device includes: a main body including an accommodating portion configured to accommodate a printing medium; a cover displaceable between an open position where the accommodation portion is opened and a closed position where the accommodation portion is closed; a platen roller attached to the cover and rotatably supported by the cover; a peeling roller attached to the cover and supported so as to be rotatable about an axis parallel to a longitudinal direction of the platen roller; and a switching mechanism attached to the cover and configured to switch the peeling roller between a contact position where the peeling roller comes into contact with the platen roller and a non-contact position where the peeling roller is away from the platen roller in conjunction with displacement of the cover.

The disclosure is directed to a printer device including a printer body, a paper correction module, and a processor. The printer body has a media feed path. The printer body detects a width of the paper to output a paper size signal. The paper correction module is installed in the media feed path. The paper correction module includes two paper guiding arms and an actuating mechanism. The actuating mechanism is capable of driving the two paper guiding arms to approach or move away from each other. The processor is electrically connected with the actuating mechanism. After the processor receives the paper size signal, the actuating mechanism is controlled to space the two paper guiding arms with a preset interval.

A sheet feeding device includes a support, a rotation driver, a guide, a support shaft, a biasing member, a leading end sensor, a roller, an outer diameter sensor, and circuitry. The circuitry causes the rotation driver to rotate a spool in a winding direction to determine a timing at which a signal change rate exceeds a change rate threshold as a passing time at which a leading end of a continuous sheet passes through the leading end sensor, causes the rotation driver to rotate the spool by a rotation angle in the winding direction, from the passing time, to position the leading end of the continuous sheet at a feeding start position, and rotates the spool in a feeding direction to feed the continuous sheet from the feeding start position along a guide portion. Further, the circuitry changes the change rate threshold based on an outer diameter of a roll.

A printing apparatus includes: a first frame; a second frame fixed to the first frame, the second frame having an accommodation space configured to accommodates a roll, the roll having a printing medium rolled thereon; a pair of support parts supported on the second frame, the pair of support parts being configured to support end faces of the roll in a first direction, at least one of the pair of support parts being supported on the second frame so as to be movable in the first direction; a guide member provided on the first frame; and contact portions provided to the support parts, the contact portions being configured to slide while being in contact with the guide member.

A printing apparatus includes: a main body having an accommodation part accommodating a printing medium; and an opening/closing cover supported by the main body so as to be swingable between a closed position and an opened position, a first unit and a second unit being selectively installable to the opening/closing cover, the first unit being configured to rotatably support a first platen roller, the second unit being configured to rotatably support a second platen roller, the opening/closing cover including a cover guide, the opening/closing cover having a discharge port discharging the guided printing medium. The first unit has a partition wall superposed to cover the cover guide and partitioning a space into the first platen roller-side and the discharge port-side in a case the first unit is installed to the opening/closing cover.

A printing apparatus includes: a print head; a main body having an accommodation part accommodating a printing medium; an opening/closing cover supported by the main body to be swingable between a closed position and an opened position, the opening/closing cover covering the accommodation part in a case the opening/closing cover is in the opened position, the opening/closing cover opening the accommodation part in a case the opening/closing cover is in the opened position; a support member provided to the opening/closing cover; and a platen holder provided to the support member and configured to rotatably support a platen roller, the platen roller being configured to convey the printing medium at a position facing the print head in the case the opening/closing cover is in the closed position.